Perhaps you should try some spelling variations:
cooperations history » cooperation history, corporations history, operaciones history
nets communication » lea's communication, mass communication, c's communication
communication iraq » communication iran, communication israel, communication italy
et cooperations » et cooperation, et cooperatives, eu cooperation
its community » icts community, city community, arts community

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( its community issues ) or ( nets communication iraq ))) or ( et cooperations history ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( its community issues ) OR ( nets communication iraq ))) OR ( et cooperations history )).
• Adding a wildcard symbol may retrieve word variants: (((( its community issues ) or ( nets communication iraq ))) or ( et cooperations history ))*.